00412nam a2200169 a 450000100080000000500110000800800410001910000160006024500320007626000360010830000090014465300150015365300210016865300180018970000140020770000210022111127972000-10-11 1986 bl uuuu u0uu1 u #d1 aBERTAUX, S. aCeifadeira a tracao animal. aPetrolina: Embrapa-CPATSAc1986 a18p. aCEIFADEIRA aMAQUINA AGRICOLA aTRACAO ANIMAL1 aBARON, U.1 aANJOS, J.B. dos.